CH549528A - Verfahren zur herstellung eines fuer magnetische aufzeichnung geeigneten pulvers aus eisennitrid. - Google Patents

Verfahren zur herstellung eines fuer magnetische aufzeichnung geeigneten pulvers aus eisennitrid.

Info

Publication number
CH549528A
CH549528A CH926070A CH926070A CH549528A CH 549528 A CH549528 A CH 549528A CH 926070 A CH926070 A CH 926070A CH 926070 A CH926070 A CH 926070A CH 549528 A CH549528 A CH 549528A
Authority
CH
Switzerland
Prior art keywords
powder
producing
magnetic recording
iron nitride
nitride suitable
Prior art date
Application number
CH926070A
Other languages
German (de)
English (en)
Original Assignee
Philips Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Publication of CH549528A publication Critical patent/CH549528A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
    • C01B21/0615—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with transition metals other than titanium, zirconium or hafnium
    • C01B21/0622—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with transition metals other than titanium, zirconium or hafnium with iron, cobalt or nickel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/0302—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
    • H01F1/0311—Compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/42—Magnetic properties
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
CH926070A 1969-06-21 1970-06-18 Verfahren zur herstellung eines fuer magnetische aufzeichnung geeigneten pulvers aus eisennitrid. CH549528A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6909541A NL6909541A (xx) 1969-06-21 1969-06-21

Publications (1)

Publication Number Publication Date
CH549528A true CH549528A (de) 1974-05-31

Family

ID=19807261

Family Applications (1)

Application Number Title Priority Date Filing Date
CH926070A CH549528A (de) 1969-06-21 1970-06-18 Verfahren zur herstellung eines fuer magnetische aufzeichnung geeigneten pulvers aus eisennitrid.

Country Status (9)

Country Link
US (1) US3681018A (xx)
BE (1) BE752298A (xx)
CA (1) CA918550A (xx)
CH (1) CH549528A (xx)
DE (1) DE2028535C3 (xx)
FR (1) FR2047012B1 (xx)
GB (1) GB1303523A (xx)
NL (1) NL6909541A (xx)
SE (1) SE365337B (xx)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS547073B2 (xx) * 1973-01-04 1979-04-03
US4271232A (en) * 1978-08-28 1981-06-02 International Business Machines Corporation Amorphous magnetic film
US4515763A (en) * 1981-07-15 1985-05-07 Board Of Trustees Of Leland Stanford Jr. Univeristy High specific surface area carbides and nitrides
FR2531260B1 (fr) * 1982-07-29 1986-04-11 Centre Nat Rech Scient Materiaux ferromagnetiques derives des nitrures de fer, leur preparation et leur application comme materiau d'enregistrement magnetique
JPS6154023A (ja) * 1984-08-24 1986-03-18 Fuji Photo Film Co Ltd 磁気記録媒体
JPH061551B2 (ja) * 1984-08-24 1994-01-05 富士写真フイルム株式会社 磁気記録媒体の製造方法
US5256479A (en) * 1988-12-29 1993-10-26 Tdk Corporation Ferromagnetic ultrafine particles, method of making, and recording medium using the same
US5188130A (en) * 1989-11-29 1993-02-23 Philip Morris, Incorporated Chemical heat source comprising metal nitride, metal oxide and carbon
US5146934A (en) * 1991-05-13 1992-09-15 Philip Morris Incorporated Composite heat source comprising metal carbide, metal nitride and metal
EP2113178A1 (en) 2008-04-30 2009-11-04 Philip Morris Products S.A. An electrically heated smoking system having a liquid storage portion
EP2319334A1 (en) 2009-10-27 2011-05-11 Philip Morris Products S.A. A smoking system having a liquid storage portion
US9854839B2 (en) 2012-01-31 2018-01-02 Altria Client Services Llc Electronic vaping device and method
AU2013222239A1 (en) 2012-02-22 2014-09-04 Altria Client Services Inc. Electronic smoking article and improved heater element
USD691765S1 (en) 2013-01-14 2013-10-15 Altria Client Services Inc. Electronic smoking article
USD695449S1 (en) 2013-01-14 2013-12-10 Altria Client Services Inc. Electronic smoking article
USD841231S1 (en) 2013-01-14 2019-02-19 Altria Client Services, Llc Electronic vaping device mouthpiece
USD849993S1 (en) 2013-01-14 2019-05-28 Altria Client Services Electronic smoking article
USD691766S1 (en) 2013-01-14 2013-10-15 Altria Client Services Inc. Mouthpiece of a smoking article
BR302014001648S1 (pt) 2013-10-14 2015-06-09 Altria Client Services Inc Configuração aplicada em artigo de fumo
CN104192815B (zh) * 2014-08-27 2015-08-05 山东大学 一种枝状氮化铁粉末及其制备方法
WO2016054219A1 (en) 2014-10-01 2016-04-07 Altria Client Services Llc. Portable charging case
US10010114B2 (en) 2015-06-25 2018-07-03 Altria Client Services Llc Charger assembly and charging system for an electronic vaping device

Also Published As

Publication number Publication date
CA918550A (en) 1973-01-09
DE2028535A1 (xx) 1970-12-23
NL6909541A (xx) 1970-12-23
SE365337B (xx) 1974-03-18
BE752298A (fr) 1970-12-21
GB1303523A (xx) 1973-01-17
FR2047012B1 (xx) 1973-01-12
DE2028535B2 (de) 1973-03-29
US3681018A (en) 1972-08-01
DE2028535C3 (de) 1973-10-31
FR2047012A1 (xx) 1971-03-12

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Legal Events

Date Code Title Description
PL Patent ceased